/*css重置*/
html,body,div,span,h1,h2,h3,h4,h5,h6,ul,ol,li,p{
  margin:0;
  padding:0;
}
html,body{
  width: 100%;
  height: 100%;
  font-family: "微软雅黑";
}
ul,ol{
  list-style: none;
}
a{
  text-decoration: none;
  /*去下划线*/
}